Arctic Cat Sno Pro 120 2011, Service Manual

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Engine Servicing - 570 cc
This engine sub-section has been organized to show a
progression for servicing of the Arctic Cat 570 cc
engines. For consistency purposes, this sub-section
shows a complete and thorough progression; however,
for efficiency it may be preferable to disassemble only
those components needing to be addressed. Also, some
components may vary from model to model. The techni-
cian should use discretion and sound judgment.

NOTE: Critical torque specifications can be found in
Section 1 of this manual.

NOTE: Some illustrations and photographs used in
this section are used for clarity purposes only and
are not designed to depict actual conditions.
SPECIAL TOOLS
A number of special tools must be available to the techni-
cian when performing service procedures in this engine
section.

NOTE: Special tools are available from the Arctic
Cat Service Parts Department.
Disassembling Engine
1. Remove the nuts, lock washers, and washers secur-
ing the intake flange assembly. Account for the gas-
kets, insulators, and the heat deflector.
2. Remove the five cap screws securing the front
(exhaust-side) shroud to the cylinder head. Account
for the special washers.
MD0276

NOTE: Keep the special mounting hardware with
the shrouds for assembling purposes. Cap screws
securing the front and rear shrouds use special
washers.
MD0065
3. Remove the spark plug grommets.
MD0060
4. Using Flywheel Spanner Wrench to hold the starter
pulley, remove the cap screw securing the flywheel
to the crankshaft and account for the flat washer and
lock washer.
MD0282
5. Using Flywheel Spanner Wrench to hold the starter
pulley, remove the three cap screws securing the
starter pulley to the flywheel assembly.
Description p/n
Ball Hone
0644-292
Crankshaft Bearing Remover
0144-302
Flywheel Spanner Wrench
0144-007
Flywheel Puller
0744-040
Piston Pin Puller
0644-328
Surface Plate
0644-016
V Blocks
0644-535
Manual
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